This is an SPX0603Z2A O-Ring/Teflon Multiport Shaft Seal for SP0710, SP0711 1-1/2 Inch Vari-Flo Valves. This o-ring is identical to: O-27A Hayward, SPX0603Z2A use with APCO2442, O-27, SPX0605Z2A use with APCO2226 O-398.
This o-ring has been manufactured in accordance with OEM specifications and is designed to meet or exceed specifications.